30803485 has 16 divisors (see below), whose sum is σ = 37647792. Its totient is φ = 24192000.

The previous prime is 30803483. The next prime is 30803519. The reversal of 30803485 is 58430803.

It can be written as a sum of positive squares in 8 ways, for example, as 1708249 + 29095236 = 1307^2 + 5394^2 .

It is not a de Polignac number, because 30803485 - 2¹ = 30803483 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30803483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91237 + ... + 91573.

It is an arithmetic number, because the mean of its divisors is an integer number (2352987).

Almost surely, 2^30803485 is an apocalyptic number.

It is an amenable number.

30803485 is a deficient number, since it is larger than the sum of its proper divisors (6844307).

30803485 is a wasteful number, since it uses less digits than its factorization.

30803485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 30803485 is about 5550.0887380293. The cubic root of 30803485 is about 313.4728636400.

The spelling of 30803485 in words is "thirty million, eight hundred three thousand, four hundred eighty-five".